package com.wfcm.utils;

import java.io.*;
import java.net.URL;
import java.net.URLConnection;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.List;
import java.util.Map;

import com.alibaba.fastjson.JSONObject;
import com.wfcm.entity.WfWxShareEntity;

import javax.net.ssl.*;

public class WxUtil {

	/**
     * 向指定URL发送GET方法的请求
     * 
     *            发送请求的URL
     *            请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return URL 所代表远程资源的响应结果
     */
    public static WfWxShareEntity getAccessToken(String appid, String appsecret) {
    	WfWxShareEntity accessToken = new WfWxShareEntity(); 
    	
        String result = "";
        BufferedReader in = null;
        try {
            String urlNameString = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" +appid+ "&secret=" + appsecret;
            
            URL realUrl = new URL(urlNameString);
            // 打开和URL之间的连接
            URLConnection connection = realUrl.openConnection();
            // 设置通用的请求属性
            connection.setRequestProperty("accept", "*/*");
            connection.setRequestProperty("connection", "Keep-Alive");
            connection.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            // 建立实际的连接
            connection.connect();
            // 获取所有响应头字段
            Map<String, List<String>> map = connection.getHeaderFields();
            // 遍历所有的响应头字段
            for (String key : map.keySet()) {
                System.out.println(key + "--->" + map.get(key));
            }
            // 定义 BufferedReader输入流来读取URL的响应
            in = new BufferedReader(new InputStreamReader(
                    connection.getInputStream()));
           String line =null;
            while ((line = in.readLine()) != null) {
                result += line;
            }
           // JSONObject jsonObj= FastJSONUtils.getJSONObject(result);
            /* String access_token = jsonObj.getString("access_token");
            long expires_in = Long.valueOf(jsonObj.getString("expires_in"));*/
            accessToken.setId(1);
            accessToken.setName("access_token");
            accessToken.setContent(result);
        } catch (Exception e) {
            System.out.println("发送GET请求出现异常！" + e);
            e.printStackTrace();
        }
        // 使用finally块来关闭输入流
        finally {
            try {
                if (in != null) {
                    in.close();
                }
            } catch (Exception e2) {
                e2.printStackTrace();
            }
        }
        return  accessToken ;
    }	
		
    /**
     * 向指定URL发送GET方法的请求
     *            发送请求的URL
     *            请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return URL 所代表远程资源的响应结果
     */
    public static WfWxShareEntity getTicket(String access_token) {
    	WfWxShareEntity jsapiTicket = new WfWxShareEntity(); 
        String result = "";
        BufferedReader in = null;
        try {
            String urlNameString = " https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=" +access_token+ "&type=jsapi";
            
            URL realUrl = new URL(urlNameString);
            // 打开和URL之间的连接
            URLConnection connection = realUrl.openConnection();
            // 设置通用的请求属性
            connection.setRequestProperty("accept", "*/*");
            connection.setRequestProperty("connection", "Keep-Alive");
            connection.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            // 建立实际的连接
            connection.connect();
            // 获取所有响应头字段
            Map<String, List<String>> map = connection.getHeaderFields();
            // 遍历所有的响应头字段
            for (String key : map.keySet()) {
                System.out.println(key + "--->" + map.get(key));
            }
            // 定义 BufferedReader输入流来读取URL的响应
            in = new BufferedReader(new InputStreamReader(
                    connection.getInputStream()));
           String line =null;
            while ((line = in.readLine()) != null) {
                result += line;
            }
            JSONObject jsonObj= FastJSONUtils.getJSONObject(result);
            String jsapi_ticket = jsonObj.getString("ticket");

            jsapiTicket.setId(2);
            jsapiTicket.setName("jsapi_ticket");
            String content = "{\"jsapi_ticket\":\"" + jsapi_ticket+"\"}";
            jsapiTicket.setContent(content);
        } catch (Exception e) {
            System.out.println("发送GET请求出现异常！" + e);
            e.printStackTrace();
        }
        // 使用finally块来关闭输入流
        finally {
            try {
                if (in != null) {
                    in.close();
                }
            } catch (Exception e2) {
                e2.printStackTrace();
            }
        }
        return  jsapiTicket ;
    }

    /**
     * 发送请求以https方式发送请求并将请求响应内容以String方式返回
     * @param path   请求路径
     * @param method 请求方法
     * @param body   请求数据体
     * @return 请求响应内容转换成字符串信息
     */
    public static String httpsRequestToString(String path, String method, String body) {
        if(path==null||method==null){
            return null;
        }

        String response = null;
        InputStream inputStream = null;
        InputStreamReader inputStreamReader = null;
        BufferedReader bufferedReader = null;
        HttpsURLConnection conn = null;
        try {
            TrustManager[] tm = { new JEEWeiXinX509TrustManager() };
            SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE");
            sslContext.init(null, tm, new java.security.SecureRandom());
            SSLSocketFactory ssf = sslContext.getSocketFactory();
            System.out.println(path);
            URL url = new URL(path);
            conn = (HttpsURLConnection) url.openConnection();
            conn.setSSLSocketFactory(ssf);

            conn.setDoOutput(true);
            conn.setDoInput(true);
            conn.setUseCaches(false);
            conn.setRequestMethod(method);
            if (null != body) {
                OutputStream outputStream = conn.getOutputStream();
                outputStream.write(body.getBytes("UTF-8"));
                outputStream.close();
            }

            inputStream = conn.getInputStream();
            inputStreamReader = new InputStreamReader(inputStream, "UTF-8");
            bufferedReader = new BufferedReader(inputStreamReader);
            String str = null;
            StringBuffer buffer = new StringBuffer();
            while ((str = bufferedReader.readLine()) != null) {
                buffer.append(str);
            }

            response = buffer.toString();
        } catch (Exception e) {
            e.printStackTrace();
        }finally{
            if(conn!=null){
                conn.disconnect();
            }
            try {
                bufferedReader.close();
                inputStreamReader.close();
                inputStream.close();
            } catch (IOException execption) {
                execption.printStackTrace();
            }
        }
        return response;
    }

}
